Book an hotel first for 5 days. You need to see the apartment yourself. This is so you can check the neighbours out, plus broadband, electric rates which vary from 4.5 to 12 Baht per unit.
So get off at BKK taxi or bus to Jomtien hotel. Facebook marketplace. Also you could head to the Wombat and Kiwi Bar. Loads of good expats in there. Most of them rent locally.
This is a good base for five days:
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